Coffee maker



FIG. 1 is a perspective view of a coffee maker showing our new design;

FIG. 2 is front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The rear of the coffee maker forms no part of the claimed design.

The broken lines are for illustrative purposes only and form no part ofthe claimed design.

The ornamental design for a coffee maker, as shown and described.